Overview
The MAX1290BCEI+T is a low-power, 12-bit analog-to-digital converter (ADC) produced by Analog Devices Inc./Maxim Integrated. This device is part of the MAX1290/MAX1292 series, known for its high performance, low power consumption, and compact design. The MAX1290BCEI+T operates with a single +5V analog supply and features a VLOGIC pin that allows it to interface directly with a +2.7V to +5.5V digital supply. It is ideal for applications requiring high dynamic performance, low power, and small footprint, making it suitable for battery-powered and data-acquisition systems, as well as industrial control and patient monitoring applications.
Key Specifications
| Specification | Value |
|---|---|
| Resolution | 12 bits |
| Number of Channels | 8 (single-ended), 4 (pseudo-differential) |
| Sampling Rate | 400 ksps (max) |
| Interface Type | Byte-wide parallel |
| Operating Voltage | +5V |
| Logic Voltage | +2.7V to +5.5V |
| Internal Reference | +2.5V |
| Power Consumption | 10mW (at 400ksps), <10µA (in shutdown mode) |
| Package Type | 28-pin QSOP |
| Mounting Type | SMD |
Key Features
- 12-bit resolution with ±0.5 LSB linearity
- +5V single-supply operation
- User-adjustable logic level (+2.7V to +5.5V)
- Internal +2.5V reference
- Software-configurable analog inputs for unipolar/bipolar and single-ended/pseudo-differential operation
- Low power consumption: 2.5mA (400ksps), 1.0mA (100ksps), 400µA (10ksps), and 2µA (shutdown)
- Fast wake-up time of 2µs
- Internal 6MHz full-power bandwidth track/hold
- Byte-wide parallel interface
- Small footprint: 28-pin QSOP package
Applications
- Industrial Control Systems
- Data Logging
- Energy Management
- Patient Monitoring
- Data-Acquisition Systems
- Touchscreens
- Battery-powered systems
Q & A
- What is the resolution of the MAX1290BCEI+T ADC?
The MAX1290BCEI+T has a 12-bit resolution.
- How many input channels does the MAX1290BCEI+T have?
The MAX1290BCEI+T has 8 single-ended input channels or 4 pseudo-differential input channels.
- What is the maximum sampling rate of the MAX1290BCEI+T?
The maximum sampling rate is 400 ksps.
- What type of interface does the MAX1290BCEI+T use?
The MAX1290BCEI+T uses a byte-wide parallel interface.
- What is the operating voltage of the MAX1290BCEI+T?
The operating voltage is +5V.
- What is the logic voltage range for the MAX1290BCEI+T?
The logic voltage range is +2.7V to +5.5V.
- Does the MAX1290BCEI+T have an internal reference voltage?
Yes, it has an internal +2.5V reference voltage.
- What is the power consumption of the MAX1290BCEI+T at 400ksps?
The power consumption is 10mW at 400ksps.
- What is the package type of the MAX1290BCEI+T?
The package type is 28-pin QSOP.
- What are some typical applications of the MAX1290BCEI+T?
Typical applications include industrial control systems, data logging, energy management, patient monitoring, and data-acquisition systems.
